01. On the Billboard Hot 100 chart of 2006-02-11, Zac had five simultaneous song credits. The songs were “Get’cha Head In The Game”, 3 duets with Vanessa Anne Hudgens (“Breaking Free,” “Start Of Something New,” and “What I’ve Been Looking For”) and “We’re All In This Together” credited to the “High School Musical” cast. All tracks were from the soundtrack of “High School Musical”.

02. The Zac Efron-Vanessa Anne Hudgens duet “Breaking Free” (from “High School Musical”) made the fastest climb in the history of the Billboard Hot 100, leaping from 86 to 4 in one week (2006-02-11).

03. With the popularity of “High School Musical”, he had to change his phone number after getting numerous calls from fans.

04. Zac’s most prized possession is his autographed baseball collection.

05. Is a huge San Francisco Giants fan.

06. Met his current girlfriend Vanessa Anne Hudgens on the set of “High School Musical”.

07. Favorite Cartoon Show: Rocko’s Modern Life.

08. He donated many items to Rocky Stone to be given to less fortunate kids as part of the Toy Mountain Campaign.

09. Attended the World Cup in Germany with Corbin Bleu.

10. The first concert he ever went to was a Wallflowers concert.